Applications: Air Handling Units ( Cooling & Heating ) Commercial and Industrial Air – Conditioning Refrigeration Systems Material Of Construction: Tubes – Copper and S.S Type of Tube – plain and internally grooved Fins – Aluminium, Hydrofillic Blue Coated , Copper ( 6 to 13 fins per Inch) Circuits – Half , Full or Inter wined Tube Diameters- 3/8″ , 1/2″ , & 5/8″ Casings – Galvanized and S.S. Test Pressure at 21 Kg/Sq.cm ( 300 psiG ) Coil Selection: Using latest Selection software to get all details